CN106734378A - Workpiece shaping methods - Google Patents
Workpiece shaping methods Download PDFInfo
- Publication number
- CN106734378A CN106734378A CN201611260329.7A CN201611260329A CN106734378A CN 106734378 A CN106734378 A CN 106734378A CN 201611260329 A CN201611260329 A CN 201611260329A CN 106734378 A CN106734378 A CN 106734378A
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- Prior art keywords
- shaping
- workpiece
- deflection
- tool
- methods according
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The present invention relates to a kind of workpiece shaping methods, the deflection of measurement workpiece is comprised the following steps, and choose the more several deflection of piece count；The corresponding shaping tool of manufacture is separately designed according to the several deflection；The workpiece for deforming is placed in ultraviolet (UV) stove and is baked to preset temperature condition；Shaping is carried out to the workpiece for deforming by the shaping tool.Compared to traditional shaping methods, reduce shaping rebound rate, improve shaping after there is the situation of anode line crackle, the yield of workpiece has obtained significantly improving, it is ensured that the success of assembling and the speed of shipment.
Description
Technical field
The present invention relates to sheet metal component technology field, more particularly to a kind of workpiece shaping methods.
Background technology
Workpiece deformation is divided into elastic deformation and plastic deformation, and wherein elastic deformation can be recovery, and is plastically deformed then
Cannot recover.In the processing technology of sheet metal component, desired result is plastic deformation, namely workpiece is to shape not after shaping
Bounce-back.
Needed before shaping, by various Sheet Metal Forming Technologies such as punching press, bending, raising, in process should due to sheet metal component
Power release can cause workpiece to deform, and not meet the requirement of product, influence assembling and the shipment speed of product.Asked to solve this
Topic, workpiece can carry out shaping before assembling, and traditional Training system carries out shaping using tool, after shaping rebound rate up to 60%,
And product can produce anode line crackle after shaping, lead to not volume production.
The content of the invention
Based on this, it is necessary to for traditional Training system rebound rate is high and shaping after be also easy to produce asking for anode line crackle
Topic, there is provided it is a kind of reduce shaping rebound rate, improve shaping after there are the workpiece shaping methods of the situation of anode line crackle.
A kind of workpiece shaping methods, comprise the following steps：
The deflection of workpiece is measured, and chooses the more several deflection of piece count；
The corresponding shaping tool of manufacture is separately designed according to the several deflection；
The workpiece for deforming is placed in ultraviolet (UV) stove and is baked to preset temperature condition；
Shaping is carried out to the workpiece for deforming by the shaping tool.
Above-mentioned workpiece shaping methods, compared to traditional shaping methods, reduce shaping rebound rate, improve shaping after go out
The situation of existing anode line crackle, the yield of workpiece has obtained significantly improving, it is ensured that the success of assembling and the speed of shipment.
Wherein in an embodiment, it is described by the shaping tool to deform the workpiece carry out shaping the step of tool
Body includes：
The workpiece for deforming is sequentially passed through into the shaping tool shaping respectively.
Wherein in an embodiment, it is described by the shaping tool to deform the workpiece carry out shaping the step of tool
Body includes：
Deflection according to the workpiece selects the corresponding shaping tool to carry out shaping respectively.
Wherein in an embodiment, the deflection of the measurement workpiece, and choose the more several deformation of piece count
The step of amount, specifically includes：
The deflection of workpiece is measured using survey tool, and chooses 3~5 kinds of more deflections of piece count.
Wherein in an embodiment, the shaping tool that respective numbers are manufactured and designed according to the several deflection
Step is specifically included：
Determine workpiece shaping standard；
Corresponding shaping tool is manufactured and designed according to the workpiece shaping standard and the several deflection.
Wherein in an embodiment, it is described determination workpiece shaping standard the step of specifically include：
Determine the deflection of workpiece within a preset range.
Wherein in an embodiment, the preset temperature condition is 55~65 degree.
Wherein in an embodiment, the shaping tool includes keeper and piece under pressure, and the keeper has one to house
Groove, the workpiece is placed in the storage tank, and the keeper is also included as the first shaping surface of the storage tank inwall, described
Piece under pressure includes the second shaping surface, and first shaping surface matches with the shape of second shaping surface.
Wherein in an embodiment, first shaping surface is inner concave, and second shaping surface is arcuate surface.
Wherein in an embodiment, first shaping surface is sphere, and second shaping surface is also sphere, described first
Shaping surface is corresponding with the radius of second shaping surface.
Brief description of the drawings
Fig. 1 is the flow chart of the workpiece shaping methods in an embodiment of the present invention；
Fig. 2A~Fig. 2 D be an embodiment of the present invention in four central angles of the contour line in the first shaping surface section not
The structural representation of same shaping tool.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give preferred embodiment of the invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items of pass.
In order to reduce the rebound rate of workpiece shaping, and improve the degree of anode line crackle, the present invention provides a kind of workpiece
Shaping methods.
Found through in actual production, rebound rate reaches 60% after traditional Training system shaping, causes nothing in assembling process
The fraction defective of method assembling reaches 30%, and the anode line crackle after influence shipment speed, and product shaping cannot volume production.Additionally, whole
Flatness after shape bounce-back is bad to cause the subsequent handlings such as dispensing cannot to be normally carried out.
Further further investigation discovery, the bounce-back of workpiece shaping and the generation of crackle and the material and the tool of shaping of workpiece
Use have stronger correlation.
As shown in Figures 1 and 2, the workpiece shaping methods in an embodiment of the present invention, comprise the following steps：
S110：The deflection of workpiece 20 is measured, and chooses a fairly large number of several deflection of workpiece 20；
Wherein, the deflection of workpiece 20 is measured using survey tool.In the present embodiment, the workpiece 20 is sheet metal component, its master
Two sides of body have a bending edges, the both sides of workpiece 20 towards drawing close in the middle of main body, if workpiece 20 to draw close degree larger, may
Cause there is larger error with the assembling of other workpiece 20.The deflection of workpiece 20 is measured, the both sides court of workpiece 20 is as measured
The degree of crook that centre is drawn close.
In one embodiment, it is measured in batches of workpiece 20, find the deflection in workpiece 20 in rule
Rule distribution, namely deflection therefrom selects workpiece 20 a fairly large number of 3~5 kinds of deflections, the present embodiment in the distribution of poly- heap formula
In, choose 20 a fairly large number of 4 kinds of deflections of workpiece 20 of workpiece.
S120：The corresponding shaping tool 10 of manufacture is separately designed according to the several deflection.
Specifically, one-to-one shaping tool 10 is manufactured and designed according to the several deflection.In the present embodiment, choose
The a fairly large number of deflection of workpiece 20 of workpiece 20 be 4 kinds, then correspond to manufacture and design 4 kinds of shaping tools 10.Wherein, the shaping is controlled
Tool 10 includes keeper 12 and piece under pressure 14, and keeper 12 is used to position workpiece 20, and piece under pressure 14 reduces with the cooperation of keeper 12
The flexibility of workpiece 20, so as to realize the effect of shaping.The keeper 12 has a storage tank (figure is not marked), and the workpiece 20 is placed in
The storage tank, the keeper 12 also includes that, used as the first shaping surface 124 of storage tank inwall, the piece under pressure 14 includes the second shaping
Face 142, first shaping surface 124 matches with the shape of the second shaping surface 142.
In the present embodiment, the shaping tool 10 is installed on trimmer, and keeper 12 is installed on the workbench of trimmer,
Piece under pressure 14 is installed on the lifting arm of trimmer, and lifting arm is moved up and down, so as to drive piece under pressure 14 pairs to be positioned at keeper
12 workpiece 20 carries out shaping.It should be appreciated that be that shaping tool 10 produces damage to workpiece 20 in avoiding reforming process, then
Shaping tool 10 should have elasticity, and specific to in an implementation method, the shaping tool 10 is made up of excellent power glue, and excellent power glue is again
Claim polyurethane PU elastomer, be a kind of good with intensity, compression is small, a kind of material between plastics and rubber, tool
There is the rigidity of plastics, there is the elasticity of rubber again.In this way, the processing of storage tank can be easy to, and guarantee will not be in shaping with elasticity
In workpiece 20 is damaged.
In the present embodiment, first shaping surface 124 is inner concave, and second shaping surface 142 is arcuate surface, and the storage tank is also
Including as storage tank inwall, and it is connected to the supporting surface 126 of the both sides of the first shaping surface 124.Specifically, the supporting surface 126 is big
It is in vertical state to cause, and two bending edges of workpiece 20 are resisted against the supporting surface 126, and bending edge is connected to first with the junction of main body
The junction of shaping surface 124 and supporting surface 126, between making to be formed between the lateral surface of the main body of workpiece 20 and the first shaping surface 124
Every.More specifically, first shaping surface 124 is sphere, second shaping surface 142 is also sphere, first shaping surface 124 and the
The radius of two shaping surfaces 142 is corresponding.In the present embodiment, the radius of first shaping surface 124 and the second shaping surface 142 half
Footpath is corresponding.
It is pointed out that in reforming process, the first shaping surface 124 matches with the shape of the second shaping surface 142, pushes
Part 14 is pushed, and is become towards the opposite direction of deformation direction with workpiece 20 is made in the presence of the second shaping surface 142 in the first shaping surface 124
Shape, then after piece under pressure 14 is separated with keeper 12, the deflection of workpiece 20 reduces and meets shaping requirement.And according to different changes
Shape amount, the radius of the first shaping surface 124 of the corresponding shaping tool 10 for manufacturing and designing is different, namely 124 sections of the first shaping surface
The central angle of the contour line in face is different.Specific in the present embodiment, the profile in the section of the first shaping surface 124 of the shaping tool 10
The central angle of line is respectively 19.4 degree, 33.4 degree, 48 degree and 58.1 degree.
S130：The workpiece 20 for deforming is placed in ultraviolet (UV) stove and is baked to preset temperature condition；
Specifically, the preset temperature condition is 55~65 degree, and in the present embodiment, the preset temperature condition is 60 degree.Need
Point out, the power in ultraviolet (UV) stove reaches 2000W, the workpiece 20 of deformation is placed in ultraviolet (UV) stove and is toasted, when ultraviolet
Temperature in line oven reaches 60 degree, you can taking out workpiece 20 carries out shaping.
S140：Shaping is carried out by the workpiece 20 of 10 pairs of deformations of the shaping tool.
In one embodiment, step S140 includes selecting corresponding described whole respectively according to the deflection of workpiece 20
Shape tool 10 carries out shaping.That is, the size of the deformation according to workpiece 20, selects different shaping tools 10, for example, become
The less workpiece 20 of shape amount, then the central angle that the contour line in the section of the first shaping surface 124 may be selected is 19.4 degree of shaping tool
10, the larger workpiece 20 of deflection, the then central angle that the contour line in the section of the first shaping surface 124 may be selected is 48 degree or 58.1 degree
Shaping tool 10.
In the present embodiment, step S140 includes for the workpiece 20 for deforming sequentially passing through the shaping tool 10 respectively
Shaping.Also can successively be passed through by workpiece 20 according to the central angle order from small to large of the contour line in the section of the first shaping surface 124
Cross the shaping of corresponding shaping tool 10.
The effect after specific data to shaping in below in conjunction with table 1 is illustrated：
Table 1
Data in table 1 can be learnt, after the mode shaping using four times above-mentioned shapings, reduce shaping bounce-back
There is the situation of anode line crackle after rate, improvement shaping, the yield of workpiece 20 has obtained significantly improving.
In one embodiment, step S120 is specifically included：
S122：Determine the shaping standard of workpiece 20；
In one embodiment, the deflection of workpiece 20 is specially determined within a preset range.For example, according to assembling need
Ask, when workpiece 20 deflection within a preset range when, meet assembling error Minimum requirements,.That is, when workpiece 20
When deflection is in the preset range, workpiece 20 can successfully be assembled with other workpiece 20, without influence efficiency of assembling and shipment
Speed.
S124：Corresponding shaping tool is manufactured and designed according to the shaping standard of the workpiece 20 and the several deflection
10；
Specifically, the deflection of the coefficient of elasticity of the material according to workpiece 20 and workpiece 20, and according to the whole of workpiece 20
Shape standard and the deflection of workpiece 20, manufacture and design corresponding shaping tool 10.For example, when the coefficient of elasticity of workpiece 20 is higher,
And deflection is larger, then need the contour line in the section of the first shaping surface 124 central angle it is larger carry out shaping, therefore, with this
Design corresponding shaping tool 10.
The shaping methods of above-mentioned workpiece, after compared to traditional shaping methods, reducing shaping rebound rate, improving shaping
There is the situation of anode line crackle, the yield of workpiece has obtained significantly improving, it is ensured that the success of assembling and the speed of shipment.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of workpiece shaping methods, it is characterised in that comprise the following steps：
The deflection of workpiece is measured, and chooses the more several deflection of piece count；
The corresponding shaping tool of manufacture is separately designed according to the several deflection；
The workpiece for deforming is placed in ultraviolet (UV) stove and is baked to preset temperature condition；
Shaping is carried out to the workpiece for deforming by the shaping tool.
2. workpiece shaping methods according to claim 1, it is characterised in that it is described by the shaping tool to deformation
The step of workpiece carries out shaping specifically includes：
The workpiece for deforming is sequentially passed through into the shaping tool shaping respectively.
3. workpiece shaping methods according to claim 1, it is characterised in that it is described by the shaping tool to deformation
The step of workpiece carries out shaping specifically includes：
Deflection according to the workpiece selects the corresponding shaping tool to carry out shaping respectively.
4. workpiece shaping methods according to claims 1 to 3 any one, it is characterised in that the change of the measurement workpiece
Shape amount, and specifically include the step of choose piece count more several deflection：
The deflection of workpiece is measured using survey tool, and chooses 3~5 kinds of more deflections of piece count.
5. workpiece shaping methods according to claims 1 to 3 any one, it is characterised in that described according to described some
Plant the step of deflection manufactures and designs the shaping tool of respective numbers and specifically include：
Determine workpiece shaping standard；
Corresponding shaping tool is manufactured and designed according to the workpiece shaping standard and the several deflection.
6. workpiece shaping methods according to claim 5, it is characterised in that have the step of the determination workpiece shaping standard
Body includes：
Determine the deflection of workpiece within a preset range.
7. workpiece shaping methods according to claims 1 to 3 any one, it is characterised in that the preset temperature condition
It is 55~65 degree.
8. workpiece shaping methods according to claims 1 to 3 any one, it is characterised in that the shaping tool includes
Keeper and piece under pressure, the keeper have a storage tank, and the workpiece is placed in the storage tank, and the keeper also includes
Used as the first shaping surface of the storage tank inwall, the piece under pressure includes the second shaping surface, first shaping surface with it is described
The shape of the second shaping surface matches.
9. workpiece shaping methods according to claim 8, it is characterised in that first shaping surface is inner concave, described
Second shaping surface is arcuate surface.
10. workpiece shaping methods according to claim 9, it is characterised in that first shaping surface is sphere, described the
Two shaping surfaces are also sphere, and first shaping surface is corresponding with the radius of second shaping surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260329.7A CN106734378B (en) | 2016-12-30 | 2016-12-30 | Workpiece shaping methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260329.7A CN106734378B (en) | 2016-12-30 | 2016-12-30 | Workpiece shaping methods |
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| Publication Number | Publication Date |
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| CN106734378A true CN106734378A (en) | 2017-05-31 |
| CN106734378B CN106734378B (en) | 2019-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526246A (en) * | 2018-05-21 | 2018-09-14 | 靖江市佳佳工程机械制造有限公司 | A kind of thin plate circular pieces hot sizing method |
| CN110303160A (en) * | 2019-07-30 | 2019-10-08 | 上海富驰高科技股份有限公司 | The method for promoting shaping powder metallurgy products efficiency |
| CN110560511A (en) * | 2019-09-19 | 2019-12-13 | 深圳市鑫迪科技有限公司 | Shaping process for deformed irregular thin-wall part |
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| JP2000317521A (en) * | 1999-05-11 | 2000-11-21 | Sumitomo Metal Ind Ltd | Straightening roll and production of heat transfer tube |
| CN101229569A (en) * | 2008-02-13 | 2008-07-30 | 重庆大学 | Method and equipment for detecting and remedying magnesium alloy shapes torsion |
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| CN104384243A (en) * | 2014-09-30 | 2015-03-04 | 巢湖广丰金属制品有限公司 | Equipment for locally shaping strip steel surface defects |
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Patent Citations (6)
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| JP2000317521A (en) * | 1999-05-11 | 2000-11-21 | Sumitomo Metal Ind Ltd | Straightening roll and production of heat transfer tube |
| CN101229569A (en) * | 2008-02-13 | 2008-07-30 | 重庆大学 | Method and equipment for detecting and remedying magnesium alloy shapes torsion |
| CN201702212U (en) * | 2010-06-13 | 2011-01-12 | 浙江金盾压力容器有限公司 | Straightening system of mold rod on drawing machine for manufacturing steel seamless gas bottles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526246A (en) * | 2018-05-21 | 2018-09-14 | 靖江市佳佳工程机械制造有限公司 | A kind of thin plate circular pieces hot sizing method |
| CN110303160A (en) * | 2019-07-30 | 2019-10-08 | 上海富驰高科技股份有限公司 | The method for promoting shaping powder metallurgy products efficiency |
| CN110560511A (en) * | 2019-09-19 | 2019-12-13 | 深圳市鑫迪科技有限公司 | Shaping process for deformed irregular thin-wall part |
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| CN106734378B (en) | 2019-01-04 |
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